From 474cc9c1edd3d85130976cc6fd6315000f23b5d0 Mon Sep 17 00:00:00 2001
From: Georg Steltner <georg.steltner@4com.de>
Date: Mon, 20 Jun 2016 15:01:08 +0200
Subject: [PATCH 1/3] don't show error while using ec key

---
 src/JWT.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/JWT.php b/src/JWT.php
index 0e613688..6ecccf0b 100644
--- a/src/JWT.php
+++ b/src/JWT.php
@@ -193,7 +193,7 @@ public static function sign($msg, $key, $alg = 'HS256')
                 return hash_hmac($algorithm, $msg, $key, true);
             case 'openssl':
                 $signature = '';
-                $success = openssl_sign($msg, $signature, $key, $algorithm);
+                $success = @openssl_sign($msg, $signature, $key, $algorithm);
                 if (!$success) {
                     throw new DomainException("OpenSSL unable to sign data");
                 } else {

From 5914102d33ac9b5a2ec698955e8cfbf6cede114a Mon Sep 17 00:00:00 2001
From: Georg Steltner <georg.steltner@4com.de>
Date: Mon, 20 Jun 2016 15:02:38 +0200
Subject: [PATCH 2/3] don' use openssl_verify while using any php version under
 5.4 - its not supported for ec keys

---
 src/JWT.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/JWT.php b/src/JWT.php
index 6ecccf0b..57ae1af4 100644
--- a/src/JWT.php
+++ b/src/JWT.php
@@ -224,6 +224,11 @@ private static function verify($msg, $signature, $key, $alg)
         list($function, $algorithm) = self::$supported_algs[$alg];
         switch($function) {
             case 'openssl':
+                // @TODO there is a problem with ec keys, see here for openssl_sign():
+                // https://bugs.php.net/bug.php?id=66501
+                if (!version_compare(PHP_VERSION, '5.4.0', '>=')) {
+                    throw new Exception('Key type not supported in this PHP build!');
+                }
                 $success = openssl_verify($msg, $signature, $key, $algorithm);
                 if (!$success) {
                     throw new DomainException("OpenSSL unable to verify data: " . openssl_error_string());

From 50620eeb077815f7901e3503e863a8fe5280681c Mon Sep 17 00:00:00 2001
From: Georg Steltner <georg.steltner@4com.de>
Date: Mon, 20 Jun 2016 15:03:36 +0200
Subject: [PATCH 3/3] add necessary use - docs

---
 src/JWT.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/JWT.php b/src/JWT.php
index 57ae1af4..4709acd1 100644
--- a/src/JWT.php
+++ b/src/JWT.php
@@ -1,10 +1,12 @@
 <?php
 
 namespace Firebase\JWT;
+
 use \DomainException;
 use \InvalidArgumentException;
 use \UnexpectedValueException;
 use \DateTime;
+use \Exception;
 
 /**
  * JSON Web Token implementation, based on this spec:
@@ -214,6 +216,7 @@ public static function sign($msg, $key, $alg = 'HS256')
      * @return bool
      *
      * @throws DomainException Invalid Algorithm or OpenSSL failure
+     * @throws \Exception
      */
     private static function verify($msg, $signature, $key, $alg)
     {